Naturalisation in Extra-Tropical Countries. 495 



cannot be defined with precision in their generic and specific rela- 

 tion ; evidently some occur, which in elegance, grace, and utility 

 surpass even many of those now specially mentioned : 



Arthrostylidium excelsum, Grisebach. West Indies. Height 



reaching at length 80 feet, stem-diameter 1 foot. 

 Arthrostylidium longiflorum, Munro. Venezuela ; ascends to 



6,000 feet. 

 Arthrostylidium racemiflorum, Steudel. Mexico ; ascends to 7,500 



feet. Height 30 feet. 

 Arthrostylidium Schomburgkii, Munro. Guiana ; ascends to 6,000 



feet. Height 60 feet. 



Arundinaria acuminata, Munro. Mexico. Height 20 feet. 

 Arundinaria callosa, Munro. Himalaya ; ascends to 6,000 feet. 



Height 12 feet. 

 Arundinaria debilis, Thwaites. Ceylon ; ascends to 8,000 feet. 



A tall species. 

 Arundinaria Hookeriana, Munro. Sikkim ; ascends to 7,000 feet. 



Height 15 feet. 

 Arundinaria Japonica, Siebold and Zuccarini. Japan. Height 



12 feet. 

 Arundinaria Khasiana, Munro. Himalaya ; ascends to 6,000 feet. 



Height 12 feet. 

 Arundinaria spathiflora, Trinius. The true "Ringal." Himalaya. 



Height 30 feet. Often confounded with A. falcata. 

 Arundinaria suberecta, Munro, Himalaya ; ascends to 4,500 feet. 



Height 15 feet. 

 Arundinaria tessellata, Munro. South- Africa ; ascends to 6,500 



feet. Height 20 feet. 

 Aulonemia Quexo, Goudot. New Granada, Venezuela, in cool 



regions. Tall, climbing. 



Bambusa Balcooa, Roxburgh. Bengal to Assam. Height 70 feet. 

 Bambusa Beecheyana, Munro. China. Height 20 feet. 

 Bambusa marginata, Munro. Tenasserim ; ascends to 5,000 feet. 



Tall, scandent. 



Bambusa nutans, Wallich. Himalaya ; ascends to 7,000 feet. 

 Bambusa pallida, Munro. Bengal to Khasia ; ascends to 3,500 



feet. Height 50 feet. 

 Bambusa potymorpha, Munro. Burmah, in the Teak-region. 



Height 80 feet. 



Bambusa regia, Th. Thomson. Tenasserim. Height 40 feet. 

 Bambusa tulda } Roxburgh. Bengal to Burmah. Height 70 feet. 

 Bambusa tuldoides, Munro. China, Hong Kong, Formosa. 

 Beesha capitata, Munro. Madagascar. Height 50 feet. 

 Bees ha stridula, Munro. Ceylon. 

 Cephalostachyum capitatum, Munro. Himalaya ; ascends to 6,000 



feet. Height 30 feet. 

 Cephalostachyum pallidum, Munro. Himalaya ; ascends to 5,000 



feet. Rather tall.' 

 Cephalostachyum pergracile, Munro. Burmah. Height 50 feet. 



